/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servletstu;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.EJB;
import javax.security.auth.Subject;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sessionbean.SubjectFacadeLocal;

/**
 *
 * @author Huy
 */
public class servletstusub extends HttpServlet {

    @EJB
    private SubjectFacadeLocal subjectFacade;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            List<Subject> list1 = (List) subjectFacade.listsub(1);
            List<Subject> list2 = (List) subjectFacade.listsub(2);
            List<Subject> list3 = (List) subjectFacade.listsub(3);
            List<Subject> list4 = (List) subjectFacade.listsub(4);
            request.setAttribute("INFO", list1);
            request.setAttribute("INFO1", list2);
            request.setAttribute("INFO2", list3);
            request.setAttribute("INFO3", list4);
            request.getRequestDispatcher("elearningstu.jsp").forward(request, response);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
